# 计算工具箱 vs Key Calculator

The clearest difference is in-app purchases: Key Calculator at none against 计算工具箱's 2. 计算工具箱's advantage is iOS requirement (9.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 计算工具箱 sells 2 one-off in-app purchases. Key Calculator asks for nothing beyond the download.

## The numbers

| Metric | 计算工具箱 | Key Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 19 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MANTEN KAIHATSU Inc](https://appshunter.io/developer/1077623520) | [瑞勤 李](https://appshunter.io/developer/1401713785) |

## What reviewers say

### 计算工具箱

[App page](https://appshunter.io/ios/app/id6448837084)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解签 | $0.99 | one-time |
| 求签 | $0.99 | one-time |


### Key Calculator

[App page](https://appshunter.io/ios/app/key-calculator/id6740821637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 计算工具箱 free?

计算工具箱 is free to download, with in-app purchases available.

### Is Key Calculator free?

Key Calculator is free to download, with no in-app purchases.

### Do 计算工具箱 or Key Calculator have ads?

Neither 计算工具箱 nor Key Calculator shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*